What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Caribbean one-way?

The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Caribbean are United Airlines ($109), American Airlines ($110), and Copa Airlines ($117).

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Caribbean?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Caribbean (average of $254). Flying from Washington, D.C. Dulles Intl Airport to Caribbean in March is currently the most expensive (average of $378). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Caribbean

The most flights from IAD to 0CB are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

In terms of precipitation, rainfall in Caribbean ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Caribbean when rainfall is around 2.2 in.

If weather is an important factor for your trip to Caribbean, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

What are the most popular routes from Washington, D.C. Dulles Intl Airport to Caribbean?

The most popular flight routes from Washington, D.C. Dulles Intl Airport to Caribbean are Washington, D.C. Dulles Intl - San Juan Luis Munoz Marin Intl, Washington, D.C. Dulles Intl - Punta Cana and Washington, D.C. Dulles Intl - Saint Thomas Island Cyril E King.

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Caribbean?

While on average a flight from Washington, D.C. Dulles Intl Airport to Caribbean is generally $1,014, our data shows the cheapest flight currently is $167. When looking at the most popular route, (Washington, D.C. Dulles Intl - San Juan Luis Munoz Marin Intl), you can expect to pay $185 for that flight.

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Caribbean?

No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Caribbean consider choosing Air Canada (70%), United Airlines (70%) or Brussels Airlines (54%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Caribbean?

American Airlines, JetBlue and Delta are the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Caribbean.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Caribbean?

Find a great deal and save up to 41% by booking at least 16 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. Dulles Intl Airport to Caribbean within the next two weeks, with the cheapest ticket starting at $312.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Caribbean?

Our data shows that September tends to be the cheapest month to fly to Caribbean from Washington, D.C. Dulles Intl Airport. Users have commonly found prices around $356 for the month, but tickets can be as low as $148. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from IAD to CB?

When flying from Washington, D.C. Dulles Intl Airport to Caribbean, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Dulles Intl to Caribbean that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Caribbean flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Caribbean?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Caribbean.

Can I find deals for business class flights from Dulles Intl to Caribbean?

Yes. Cheapflights offers flight deals from Dulles Intl to Caribbean by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$287+ Flights from Washington, D.C. Dulles Intl Airport to Caribbean

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Cheap flight deals from Dulles Intl to Caribbean

Round-trip from	$180 (Booking.com)
One-way from	$109 (United Airlines)

From Washington, D.C. Dulles Intl to Caribbean

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Caribbean

Search Deals

Find flight deals from Dulles Intl to Caribbean

Cheapest flights from Dulles Intl to Caribbean
Explore the most affordable flight options available from Dulles Intl to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2025.

Fri 1/317:19 pmIAD - SJU

1 stop14h 04mFrontier

Sun 2/26:55 pmSJU - IAD

1 stop23h 25mFrontier

Deal found 1/14

$180

Sat 1/255:00 amIAD - SJU

1 stop16h 07mAmerican Airlines

Thu 1/308:05 amSJU - IAD

1 stop12h 30mAmerican Airlines

Deal found 1/14

$209

Wed 1/295:35 pmIAD - SJU

Nonstop3h 47mUnited Airlines

Wed 2/122:10 pmSJU - IAD

1 stop9h 10mUnited Airlines

Deal found 1/15

$221

Wed 1/221:42 pmIAD - SJU

1 stop9h 04mDelta

Sat 1/256:15 amSJU - IAD

1 stop11h 47mDelta

Deal found 1/14

$250

Fri 2/218:46 pmIAD - SJU

2 stops25h 39mMultiple Airlines

Mon 2/2410:35 pmSJU - IAD

3 stops43h 38mMultiple Airlines

Deal found 1/13

$266

Sat 2/88:25 amIAD - NAS

1 stop6h 30mUnited Airlines

Sat 2/151:05 pmNAS - IAD

Nonstop2h 47mUnited Airlines

Deal found 1/14

$325

Mon 2/37:25 amIAD - NAS

1 stop8h 36mDelta

Sat 2/85:26 pmNAS - IAD

1 stop6h 56mDelta

Deal found 1/14

$336

Sun 1/266:22 amIAD - NAS

1 stop5h 10mAmerican Airlines

Wed 1/2912:59 pmNAS - IAD

2 stops19h 44mAmerican Airlines

Deal found 1/14

$339

Thu 2/61:18 amIAD - NAS

1 stop9h 04mCopa Airlines

Mon 2/1011:33 amNAS - IAD

1 stop11h 57mCopa Airlines

Deal found 1/14

$384

Wed 2/53:34 pmIAD - AUA

1 stop19h 36mCopa Airlines

Mon 2/103:50 pmAUA - IAD

1 stop8h 40mCopa Airlines

Deal found 1/14

$391

Sun 2/165:21 pmIAD - SDQ

2 stops44h 19mFrontier

Thu 2/204:00 pmSDQ - IAD

1 stop26h 13mFrontier

Deal found 1/14

$398

Mon 1/276:05 amIAD - AUA

1 stop8h 55mUnited Airlines

Wed 3/264:50 pmAUA - IAD

Nonstop4h 29mUnited Airlines

Deal found 1/13

$403

Best flights from Dulles Intl to Caribbean
Discover carefully curated flight deals from Dulles Intl to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 15, 2025.

Fri 1/317:19 pmIAD - SJU

1 stop14h 04mFrontier

Sun 2/26:55 pmSJU - IAD

1 stop23h 25mFrontier

Deal found 1/14

$180

Sat 1/255:00 amIAD - SJU

1 stop16h 07mAmerican Airlines

Thu 1/308:05 amSJU - IAD

1 stop12h 30mAmerican Airlines

Deal found 1/14

$209

Wed 1/295:35 pmIAD - SJU

Nonstop3h 47mUnited Airlines

Wed 2/122:10 pmSJU - IAD

1 stop9h 10mUnited Airlines

Deal found 1/15

$221

Wed 1/2212:05 pmIAD - SJU

1 stop10h 54mDelta

Fri 1/246:24 pmSJU - IAD

1 stop6h 58mDelta

Deal found 1/13

$250

Fri 2/218:46 pmIAD - SJU

2 stops25h 39mMultiple Airlines

Mon 2/2410:35 pmSJU - IAD

3 stops43h 38mMultiple Airlines

Deal found 1/13

$266

Thu 2/61:18 amIAD - NAS

1 stop9h 04mCopa Airlines

Mon 2/1011:33 amNAS - IAD

1 stop11h 57mCopa Airlines

Deal found 1/14

$384

Mon 1/272:20 pmIAD - AUA

1 stop18h 40mAvianca

Wed 3/265:40 pmAUA - IAD

1 stop20h 20mAvianca

Deal found 1/13

$413

Sat 3/153:55 pmIAD - NAS

2 stops43h 00mAir Canada

Tue 3/181:35 pmNAS - IAD

2 stops24h 16mAir Canada

Deal found 1/14

$494

Thu 2/273:34 pmIAD - SDQ

1 stop14h 44mAeromexico

Sun 3/211:03 amSDQ - IAD

1 stop27h 54mAeromexico

Deal found 1/15

$574

Sun 2/28:30 amIAD - STT

1 stop8h 00mSilver Airways

Tue 2/116:05 pmSTT - IAD

1 stop27h 45mSilver Airways

Deal found 1/15

$609

Sat 2/88:25 amIAD - NAS

1 stop6h 30mUnited Airlines

Sat 2/151:05 pmNAS - IAD

Nonstop2h 47mUnited Airlines

Deal found 1/14

$325

Mon 2/37:25 amIAD - NAS

1 stop8h 36mDelta

Sat 2/85:26 pmNAS - IAD

1 stop6h 56mDelta

Deal found 1/14

$336

Last-minute flights from Dulles Intl to Caribbean
Discover last-minute flight deals from Dulles Intl to Caribbean. Data last updated January 15, 2025 and is based on user searches.

Mon 1/2010:03 amIAD - NAS

1 stop5h 58mDelta

Fri 1/241:00 pmNAS - IAD

1 stop5h 57mDelta

Deal found 1/13

$345

Mon 1/206:05 amIAD - NAS

1 stop5h 48mUnited Airlines

Fri 1/2412:55 pmNAS - IAD

1 stop7h 25mUnited Airlines

Deal found 1/14

$360

Wed 1/221:42 pmIAD - SJU

1 stop9h 04mDelta

Sat 1/256:15 amSJU - IAD

1 stop11h 47mDelta

Deal found 1/14

$250

Wed 1/2212:05 pmIAD - SJU

1 stop10h 54mDelta

Sat 1/256:15 amSJU - IAD

1 stop11h 47mDelta

Deal found 1/14

$250

Thu 1/238:15 amIAD - SJU

1 stop15h 21mFrontier

Thu 1/306:00 amSJU - IAD

1 stop10h 44mFrontier

Deal found 1/14

$200

Thu 1/233:24 pmIAD - AUA

1 stop19h 48mCopa Airlines

Sun 1/261:17 pmAUA - IAD

1 stop14h 56mCopa Airlines

Deal found 1/13

$393

Fri 1/246:10 amIAD - AUA

1 stop8h 55mAvianca

Fri 1/315:40 pmAUA - IAD

1 stop20h 20mAvianca

Deal found 1/14

$431

Fri 1/248:05 pmIAD - MBJ

1 stop14h 14mAmerican Airlines

Mon 2/311:35 amMBJ - IAD

1 stop12h 23mAmerican Airlines

Deal found 1/14

$466

Sat 1/255:00 amIAD - SJU

1 stop16h 07mAmerican Airlines

Thu 1/308:05 amSJU - IAD

1 stop12h 30mAmerican Airlines

Deal found 1/14

$209

Sat 1/255:35 pmIAD - SJU

Nonstop3h 47mUnited Airlines

Thu 1/302:10 pmSJU - IAD

1 stop7h 10mUnited Airlines

Deal found 1/14

$233

Sat 1/258:25 amIAD - SJU

3 stops23h 56mMultiple Airlines

Thu 1/3010:09 pmSJU - IAD

3 stops19h 06mMultiple Airlines

Deal found 1/13

$324

Sat 1/259:11 amIAD - NAS

1 stop26h 21mAmerican Airlines

Wed 1/2912:59 pmNAS - IAD

2 stops19h 44mAmerican Airlines

Deal found 1/14

$346

One-way flights from Dulles Intl to Caribbean
Search for one-way flight options from Dulles Intl to Caribbean. Find affordable one-way fares based on user searches. Data last updated January 15, 2025.

Sat 2/228:52 amIAD - NAS

Nonstop2h 58mUnited Airlines

Deal found 1/14

$109

Wed 3/265:28 pmIAD - NAS

2 stops18h 20mAmerican Airlines

Deal found 1/14

$110

Sun 2/21:18 amIAD - NAS

1 stop9h 04mCopa Airlines

Deal found 1/14

$117

Mon 2/177:25 amIAD - NAS

1 stop8h 36mDelta

Deal found 1/14

$119

Sat 1/259:11 amIAD - SJU

1 stop11h 56mAmerican Airlines

Deal found 1/14

$120

Tue 4/1510:11 amIAD - SJU

2 stops14h 41mFrontier

Deal found 1/14

$121

Sun 2/239:45 pmIAD - SJU

3 stops24h 40mMultiple Airlines

Deal found 1/14

$127

Wed 3/198:30 amIAD - SJU

Nonstop3h 47mUnited Airlines

Deal found 1/15

$129

Thu 2/208:25 amIAD - STT

3 stops25h 21mMultiple Airlines

Deal found 1/14

$153

Sat 3/13:04 pmIAD - PUJ

2 stops25h 25mFrontier

Deal found 1/15

$158

Sun 2/161:18 amIAD - AUA

1 stop9h 52mCopa Airlines

Deal found 1/15

$163

Mon 3/106:03 pmIAD - PUJ

1 stop17h 41mMultiple Airlines

Deal found 1/14

$167

Find flights from Dulles Intl to Caribbean within your budget

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Fri 1/31

7:19 pm-10:23 am

1 stop14h 04m

San Juan Luis Munoz Marin Intl

Sun 2/2

6:55 pm-5:20 pm

1 stop23h 25m

$180

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Sat 1/25

5:00 am-10:07 pm

1 stop16h 07m

San Juan Luis Munoz Marin Intl

Thu 1/30

8:05 am-7:35 pm

1 stop12h 30m

$209

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Wed 1/29

5:35 pm-10:22 pm

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Wed 2/12

2:10 pm-10:20 pm

1 stop9h 10m

$221

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Wed 1/22

12:05 pm-11:59 pm

1 stop10h 54m

San Juan Luis Munoz Marin Intl

Sat 1/25

6:15 am-5:02 pm

1 stop11h 47m

$250

Washington, D.C.San Juan

IAD - SJU

IADSJU

Washington, D.C. Dulles Intl

Fri 2/21

8:46 pm-11:25 pm

2 stops25h 39m

San Juan Luis Munoz Marin Intl

Mon 2/24

10:35 pm-5:13 pm

3 stops43h 38m

$266

Washington, D.C.Nassau

IAD - NAS

IADNAS

Washington, D.C. Dulles Intl

Sat 2/8

8:25 am-2:55 pm

1 stop6h 30m

Nassau Intl

Sat 2/15

1:05 pm-3:52 pm

Nonstop2h 47m

$325

Washington, D.C.Nassau

IAD - NAS

IADNAS

Washington, D.C. Dulles Intl

Mon 2/3

7:25 am-4:01 pm

1 stop8h 36m

Nassau Intl

Sat 2/8

5:26 pm-12:22 am

1 stop6h 56m

$336

Washington, D.C.Nassau

IAD - NAS

IADNAS

Washington, D.C. Dulles Intl

Sun 1/26

6:22 am-11:32 am

1 stop5h 10m

Nassau Intl

Wed 1/29

12:59 pm-8:43 am

2 stops19h 44m

$339

Washington, D.C.Nassau

IAD - NAS

IADNAS

Washington, D.C. Dulles Intl

Thu 2/6

1:18 am-10:22 am

1 stop9h 04m

Nassau Intl

Mon 2/10

11:33 am-11:30 pm

1 stop11h 57m

$384

Washington, D.C.Oranjestad

IAD - AUA

IADAUA

Washington, D.C. Dulles Intl

Wed 2/5

3:34 pm-12:10 pm

1 stop19h 36m

Oranjestad Reina Beatrix

Wed 2/12

1:17 pm-11:30 pm

1 stop11h 13m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 60 results

...

Best time to book a flight from Dulles Intl to Caribbean

Have a flexible travel schedule? Discover the best time to fly to Caribbean from Dulles Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Caribbean with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to Caribbean

Round-trip from

One-way from

Find flight deals from Dulles Intl to Caribbean

Cheapest flights from Dulles Intl to Caribbean
Explore the most affordable flight options available from Dulles Intl to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2025.

Explore the most affordable flight options available from Dulles Intl to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2025.

Best flights from Dulles Intl to Caribbean
Discover carefully curated flight deals from Dulles Intl to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 15, 2025.

Discover carefully curated flight deals from Dulles Intl to Caribbean that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 15, 2025.

Last-minute flights from Dulles Intl to Caribbean
Discover last-minute flight deals from Dulles Intl to Caribbean. Data last updated January 15, 2025 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Caribbean. Data last updated January 15, 2025 and is based on user searches.

One-way flights from Dulles Intl to Caribbean
Search for one-way flight options from Dulles Intl to Caribbean. Find affordable one-way fares based on user searches. Data last updated January 15, 2025.

Search for one-way flight options from Dulles Intl to Caribbean. Find affordable one-way fares based on user searches. Data last updated January 15, 2025.

Find flights from Dulles Intl to Caribbean within your budget

Best time to book a flight from Dulles Intl to Caribbean

Have a flexible travel schedule? Discover the best time to fly to Caribbean from Dulles Intl with our price prediction graph.

Travel insights for flights from Dulles Intl to Caribbean

Get recent, data-driven insights about flights from Dulles Intl to Caribbean including ideal travel times, pricing trends, and more.

$109+ Cheap flights from Dulles Intl (IAD) to Caribbean

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Caribbean with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to Caribbean

Round-trip from

One-way from

Find flight deals from Dulles Intl to Caribbean

Cheapest flights from Dulles Intl to CaribbeanExplore the most affordable flight options available from Dulles Intl to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2025.

Explore the most affordable flight options available from Dulles Intl to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2025.

Find flights from Dulles Intl to Caribbean within your budget

Best time to book a flight from Dulles Intl to Caribbean

Have a flexible travel schedule? Discover the best time to fly to Caribbean from Dulles Intl with our price prediction graph.

Travel insights for flights from Dulles Intl to Caribbean

Get recent, data-driven insights about flights from Dulles Intl to Caribbean including ideal travel times, pricing trends, and more.

Cheapest flights from Dulles Intl to Caribbean
Explore the most affordable flight options available from Dulles Intl to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2025.